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Running wide in corners

Started by Two dogs, August 02, 2009, 02:38:45 PM

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brimo

Quote from: Betty on August 03, 2009, 02:48:59 PM

But now I am a little confused, how does less grip not equal less wear?

Less grip = more slippage
When you have slippage, you are removing bits of tyre ( hence the black marks on the asphalt)
like sandpaper on timber if you let it slip it removes bits of timber if you don't move it your timber stays the same.
Apologies if that sounds a bit patronising, just trying to paint a picture with words.
The centre of the tyre will wear more as that small contact patch has to deal with the forces of acceleration and decelleration.
You'll notice this particularly on car tyres that are overinflated, they'll tend to wear in the centre whereas underinflated (which is more common) will tend to wear the outside of the tread.

"The make the beast with two backsin monkey started it..."

From a story by RAT900
http://www.ducatimonsterforum.org/index.php?topic=54722.msg1015917#msg1015917

Betty

Yep, I see what you are saying - and I kinda figured that was what you meant.

But nobody has mentioned a lack of grip / lack of traction / slipping - I was simply responding to the advice of 'more pressure = less wear'.

I think its all semantics 8)
Believe post content at your own risk.

Two dogs

Update:
Thanks for the input guys, apparently a couple of things had been contributing to my problem
1. Tryre's ,replaced the squared off Battleaxes with some nice fresh PP's = helped
2. Mattys observation on apex timing=helped some more
3. Yesterday I dropped the the crown down the forks , after updating the forks I had never been happy as the bike felt too tall in the front and slow to turn in = big result the bike now feels balanced in the corner and a lot more flickable , the tyres have also quickened up the steering resulting in a happy bike and for me a return of confidence.

mattyvas

That's great Dez
Just remember not to do too many things at once as changing one small thing
might be just enough for you to notice the difference.
Changing too many things at the same time can confuse and cause further problems.

Does sound like you have it sorted though  [thumbsup]

dragonworld.

Many times I have seen people willing to shell out big bucks on a "you beaut" Ohlins shockie or a White Power front end and totally bypass those dirty, grotty black most often overlooked lumps of rose bush surround. [roll]

Doesnt matter how good or exotic your suspension is if the bit that touches the ground is "ratshit".  ;D

Remember the KISS principle (Keep It Simple Stupid) and you'll more than likely save yerself some money, heartache and grief. [thumbsup]
Secret to a long relationship is........Keep the fights clean and the sex DIRTY"!

mattyvas

Exactly.
I started a suspension tuning session with Teknik on the previous track day.
After some small tweaks and a small operation to change a plastic ring on the rear shock.
Bike feels great.

So again happy you have fixed your issues Dez, hope to see you out with us again soon.

fffracing


I agree with everything already said.

But I must add, running wide in corners usually means your are going to fast. That is for either the bike or rider. Its all about gravity.

Cheers  [beer]

Two dogs

Probably running wide in corners wasn't the best description of what was happening it was more like a feeling of understeer , I went for a quick blat today up mcars creek road and the effect of dropping the front has dramatically removed the feeling.
Even doing S turns on a straight (like a tyre warming exorcise) feels sharper and smoother.
Thanks again for the input.
Now when is the next group ride  ;D

mattyvas

26th Sept Dez.
Come out if you can.